<p class=""><span class="">server {</span></p>
<p class=""><span class=""> userid on;</span></p>
<p class=""><span class=""> userid_name user_id;</span></p>
<p class=""><span class=""> set $uid_reset myuid;</span></p><p
class=""><span class=""> ...</span></p><p class=""><span
class="">}</span></p><p class=""><span class=""><br></span></p><p
class=""><span class="">because i set $uid_reset not empty, $uid_set
would get a new uuid every time nginx process a request.</span></p><p
class=""><span class="">but i found some strange things, I got value "-"
of $uid_set, that means $uid_set did not get a value. even though over
92% request have correct value of $uid_set, but the 2% do not. And i did
not found abnormal of those request.</span></p><p class="">Do you have
any idea about this?</p><p class="">looking forward your reply!</p><p
class="">have a nice day!</p><p class=""><span class=""><br></span></p><p
class=""><span class=""><br></span></p></div></div>